What would cause my 2001 blazer to turn over and fire but not stay running for more than a second?

Asked by Bob Jul 17, 2014 at 06:20 PM about the 2001 Chevrolet Blazer LT 4-Door 4WD

Question type: Maintenance & Repair

It would not start for 2 hours then for reasons unknown to me it started and ran great. It
turned over and fired but would not run for more than a second or two.

3 Answers
62,795

BoholMark answered 9 years ago

Sounds like what happened when the chip in the key on my ML320 quit. Sometimes it would start and sometimes it wouldn't. Do you have a spair key? If so try that.

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Richy answered 9 years ago

Also the fuel pump relay, the relay that tells the fuel pump to start may be bad, I'm having the same problem, starts, fires, dies.

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Imalligot1972 answered 3 years ago

What happens when my blazer will crank but will only ideal for less than a min and cuts off the fuel tank is running the whole time please help me

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